@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --primary: #ffffff;
  --primary-light: #f0f0f0;
  --primary-dark: #cccccc;
  --accent: #ffffff;
  --accent-dim: rgba(255, 255, 255, 0.15);
  --accent-glow: 0 0 30px rgba(255, 255, 255, 0.2);
  --primary-glow: 0 0 30px rgba(255, 255, 255, 0.2);

  --bg-dark: #000000;
  --bg-darker: #050505;
  --bg-card: #0a0a0a;
  --bg-elevated: #111111;
  --bg-glass: rgba(255, 255, 255, 0.03);

  --text-white: #ffffff;
  --text-light: #e0e0e0;
  --text-muted: #888888;
  --text-dim: #555555;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(255, 255, 255, 0.3);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 8rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-white);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

p {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

header.scrolled {
  background: rgba(0, 0, 0, 0.95);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.logo-img {
  height: 50px;
  width: auto;
  display: block;
  transition: var(--transition-fast);
}

.logo:hover .logo-img {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: clamp(0.75rem, 2vw, var(--spacing-md));
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: var(--transition-normal);
}

.nav-links a:hover {
  color: var(--text-white);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1002;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition-normal);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  margin: 0;
  background: var(--bg-dark);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, #0a0a0a 0%, #000000 100%);
  will-change: transform;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 0% 0%, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 100% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.15);
  bottom: -150px;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0s;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.1);
  top: -100px;
  right: -100px;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-30px) scale(1.1);
    opacity: 0.9;
  }
}

.hero-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 40% 70%, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(2px 2px at 80% 50%, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 10% 80%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 90% 90%, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 30% 50%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 70% 80%, rgba(255, 255, 255, 0.2), transparent);
  background-size: 200px 200px;
  animation: sparkle 4s linear infinite;
}

@keyframes sparkle {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.5; }
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 1000px;
  width: 100%;
  padding: var(--spacing-xl) var(--spacing-md);
  animation: heroFadeIn 1.5s ease;
}

@keyframes heroFadeIn {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  animation: heroFadeIn 1.5s ease 0.2s both;
}

.hero-subtitle::before,
.hero-subtitle::after {
  content: '';
  width: 50px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

.hero-subtitle::after {
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero-logo {
  max-width: 350px;
  width: 80%;
  height: auto;
  display: block;
  margin: 0 auto var(--spacing-md);
  animation: heroFadeIn 1.5s ease 0.4s both;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
  animation: heroFadeIn 1.5s ease 0.6s both;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: heroFadeIn 1.5s ease 0.8s both;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--primary);
  color: #000000;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--primary-glow), 0 8px 30px rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--accent-glow);
}

/* ========================================
   SECTIONS
   ======================================== */
section {
  padding: var(--spacing-2xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

section.hero {
  max-width: 100%;
  width: 100%;
  padding: 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  padding: 0.5rem 1rem;
  background: var(--accent-dim);
  border-radius: var(--radius-xl);
}

.section-header p {
  max-width: 350px;
  margin: var(--spacing-sm) auto 0;
}

/* Section Dividers */
section:not(.hero):not(.category-page)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

/* Alternate Section Backgrounds */
#sobre-mi {
  background: var(--bg-card);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: calc(50vw - 50% + var(--spacing-md));
  padding-right: calc(50vw - 50% + var(--spacing-md));
  max-width: none;
}

#contacto {
  background: var(--bg-card);
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  padding-left: calc(50vw - 50% + var(--spacing-md));
  padding-right: calc(50vw - 50% + var(--spacing-md));
  max-width: none;
}

#sobre-mi::before,
#contacto::before {
  display: none;
}

/* ========================================
   PORTFOLIO CATEGORIES (index.html)
   ======================================== */
.portfolio-categories {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  text-decoration: none;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--accent-glow);
}

.category-icon {
  width: 60px;
  height: 60px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
  color: var(--text-white);
  transition: var(--transition-normal);
}

.category-card:hover .category-icon {
  border-color: var(--border-accent);
}

.category-card h3 {
  color: var(--text-white);
  font-size: 1rem;
  margin-bottom: 0.25rem;
  transition: var(--transition-fast);
}

.category-card:hover h3 {
  color: var(--accent);
}

.category-card p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ========================================
   PORTFOLIO GRID (for legacy items)
   ======================================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr));
  gap: var(--spacing-md);
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--accent-glow);
}

.portfolio-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.portfolio-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
  filter: grayscale(20%);
}

.portfolio-item:hover .portfolio-thumbnail img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: var(--transition-normal);
}

.portfolio-item:hover .play-overlay,
.video-item:hover .play-overlay {
  opacity: 1;
}

.play-overlay::before {
  content: '';
  width: 60px;
  height: 60px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--primary-glow);
}

.play-overlay::after {
  content: '';
  position: absolute;
  border-left: 16px solid white;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}

.portfolio-info {
  padding: var(--spacing-md);
}

.portfolio-info h3 {
  margin-bottom: 0.5rem;
  transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-info h3 {
  color: var(--accent);
}

.portfolio-info p {
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.portfolio-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: var(--transition-fast);
}

.portfolio-item:hover .tag {
  border-color: var(--border-accent);
  color: var(--accent);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  opacity: 0.3;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  filter: grayscale(30%);
  transition: var(--transition-slow);
}

.about-image:hover img {
  filter: grayscale(0%);
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.skill-item {
  background: var(--bg-card);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  text-align: center;
  transition: var(--transition-normal);
}

.skill-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.skill-item p {
  font-size: 0.875rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ========================================
   SERVICES
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background: var(--bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffffff, #888888);
  opacity: 0;
  transition: var(--transition-normal);
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-8px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #333333, #666666);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
  color: #000000;
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ========================================
   WHATSAPP CONTACT
   ======================================== */
.whatsapp-container {
  display: flex;
  justify-content: center;
  padding: var(--spacing-lg) 0;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: #25D366;
  color: #ffffff;
  padding: 1.25rem 2.5rem;
  max-width: 100%;
  border-radius: var(--radius-xl);
  text-decoration: none;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn i {
  font-size: 1.75rem;
}

.whatsapp-btn:hover {
  background: #20bd5a;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:active {
  transform: translateY(-2px) scale(1);
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  background: var(--bg-dark);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  border-top: 1px solid var(--border-subtle);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.social-links a {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition-normal);
  text-decoration: none;
}

.social-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--accent-glow);
}

footer p {
  font-size: 0.875rem;
  color: var(--text-dim);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   CATEGORY PAGES (subpages)
   ======================================== */
.category-page {
  padding-top: calc(80px + var(--spacing-xl));
  min-height: 100vh;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
  transition: var(--transition-fast);
}

.back-link:hover {
  color: var(--accent);
}

/* Video Grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(350px, 100%), 1fr));
  gap: var(--spacing-md);
}

.video-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
}

.video-item:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--accent-glow);
}

.video-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.video-item:hover .video-thumbnail img {
  transform: scale(1.08);
}

.video-info {
  padding: var(--spacing-md);
}

.video-info h3 {
  color: var(--text-white);
  margin-bottom: 0.5rem;
  transition: var(--transition-fast);
}

.video-item:hover .video-info h3 {
  color: var(--accent);
}

.video-info p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Video Embed (Google Drive iframes) */
.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-embed {
  overflow: hidden;
}

/* ========================================
   RESPONSIVE - Mobile Navigation (≤900px)
   ======================================== */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.98);
    padding: 120px var(--spacing-md) var(--spacing-md);
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .nav-links li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    font-size: 1.125rem;
    padding: 1.1rem 0;
    display: block;
    width: 100%;
    letter-spacing: 0.12em;
  }

  .menu-toggle {
    display: flex;
  }
}

/* ========================================
   RESPONSIVE — Tablet (≤1024px)
   ======================================== */
@media (max-width: 1024px) {
  .portfolio-categories {
    grid-template-columns: repeat(3, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-content {
    gap: var(--spacing-lg);
  }

  .hero-logo {
    max-width: 300px;
  }
}

/* ========================================
   RESPONSIVE — Mobile (≤768px)
   ======================================== */
@media (max-width: 768px) {
  /* Hero */
  nav {
    padding: 1rem var(--spacing-sm);
  }

  .hero-content {
    padding: calc(var(--spacing-xl) + 4rem) var(--spacing-sm) var(--spacing-xl);
  }

  .hero-logo {
    max-width: 200px;
  }

  .hero-subtitle {
    letter-spacing: 0.25em;
  }

  .hero-subtitle::before,
  .hero-subtitle::after {
    display: none;
  }

  .hero-description {
    font-size: 1rem;
    padding: 0 var(--spacing-sm);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  /* Sections */
  section {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  h1 {
    font-size: clamp(2rem, 6vw, 4rem);
  }

  h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
  }

  .section-header p {
    max-width: 100%;
  }

  .whatsapp-container {
    padding: var(--spacing-md) 0 0;
  }

  .whatsapp-btn {
    width: min(100%, 24rem);
  }

  /* About */
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-image {
    max-width: 300px;
    margin: 0 auto;
  }

  .about-image::before {
    inset: -10px;
  }

  .skills {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Portfolio */
  .portfolio-categories {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-card {
    padding: var(--spacing-md);
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: var(--spacing-md);
  }

  /* Videos */
  .video-grid {
    grid-template-columns: 1fr;
  }

  .category-page {
    padding-top: calc(70px + var(--spacing-lg));
  }

  /* Logo */
  .logo-img {
    height: 40px;
  }

  /* Full-width sections: ensure minimum padding */
  #sobre-mi,
  #contacto {
    padding-left: max(var(--spacing-sm), calc(50vw - 50% + var(--spacing-sm)));
    padding-right: max(var(--spacing-sm), calc(50vw - 50% + var(--spacing-sm)));
  }
}

/* ========================================
   RESPONSIVE — Small Mobile (≤480px)
   ======================================== */
@media (max-width: 480px) {
  .hero-logo {
    max-width: 160px;
  }

  .hero-subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.18em;
  }

  .logo-img {
    height: 35px;
  }

  .skills {
    grid-template-columns: 1fr;
  }

  nav {
    padding: 1rem var(--spacing-sm);
  }

  .social-links a {
    width: 40px;
    height: 40px;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.8rem;
  }

  .section-header {
    margin-bottom: var(--spacing-lg);
  }

  .section-label {
    letter-spacing: 0.18em;
  }

  .portfolio-categories {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }

  .category-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .category-card h3 {
    font-size: 0.875rem;
  }

  .category-card p {
    display: none;
  }

  .whatsapp-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .whatsapp-btn i {
    font-size: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .slide-up {
    opacity: 1;
    transform: none;
  }
}